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. 2018 Jul;10(7):4127–4136. doi: 10.21037/jtd.2018.06.04

Table 2. Univariate and multivariate survival analysis.

Variables Disease-free Overall
Univariable Multivariable Univariable Multivariable
HR (95% CI) P HR (95% CI) P HR (95% CI) P HR (95% CI) P
Age (continuous) 0.98 (0.95–1.01) 0.312 1.02 (1.00–1.06) 0.074 0.857
Gender (males) 1.53 (0.66–3.59) 0.324 1.50 (0.70–3.24) 0.298
MG 1.41 (0.52–3.83) 0.500 0.82 (0.28–2.37) 0.711
Charlson index 0.85 (0.63–1.15) 0.283 1.21 (0.96–1.53) 0.100 1.24 (0.98–1.58) 0.076
Thymomectomy 1.33 (0.56–3.17) 0.523 1.51 (0.68–3.37) 0.312
VATS resection 0.60 (0.14–2.62) 0.494 1.06 (0.36–3.17) 0.911
Incomplete resection 3.33 (1.35–8.19) 0.009 2.51 (0.99–6.33) 0.052 0.57 (0.13–2.41) 0.445
WHO histology
   A–B2 1 1 1
   B3 5.46 (2.15–13.87) <0.001 0.256 1.90 (0.73–4.91) 0.187 2.54 (0.94–6.88) 0.067
   Carcinoma 5.27 (1.61–17.24) 0.006 0.198 3.10 (1.13–8.49) 0.028 3.54 (1.26–9.92) 0.016
   Stage III–IV 6.78 (2.76–16.65) <0.001 6.11 (2.47–15.14) <0.001 1.51 (0.67–3.37) 0.317

HR, hazard ratio; CI, confidence interval; MG, myasthenia gravis; WHO, World Health Organization; VATS, video-assisted thoracic surgery.